package loop

import "context"

// muteKey is the context key for the "suppress UI broadcast" flag. When set,
// a Run performs its work as usual but does NOT push stream/thinking/capacity
// events to the UI channel (OnStream / OnCapacity). This is used by internal
// autonomous passes (e.g. background reflection) whose intermediate reasoning
// must not leak into the user-facing chat stream. The loop itself is unchanged;
// only the outward event emission is muted.
type muteKey struct{}

// WithMutedBroadcast returns a context whose loop Run suppresses UI stream and
// capacity broadcast, while still returning the final result to the caller.
func WithMutedBroadcast(ctx context.Context) context.Context {
	return context.WithValue(ctx, muteKey{}, true)
}

// isMutedBroadcast reports whether the Run driving ctx should suppress UI
// broadcast. An unset flag (the common case) returns false so normal chat
// streaming is untouched.
func isMutedBroadcast(ctx context.Context) bool {
	v, _ := ctx.Value(muteKey{}).(bool)
	return v
}